2015

5.2

2014

5.5

1921

6.5

1987

3.8

2000

3.3

1997

6.2

2019

3.3

1976

6.2

2002

7.5

2004

7.3

2007

7.4

1991

5.3

2007

6.7

1982

5.5

2020

6.4

2000

5.4

1992

6.7

1993

7.0

2004

6.5

2002

6.8